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chore(addons) add postgresql-cluster-17
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‎addons/index.yaml‎

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description: "PostgreSQL is an object-relational database management system (ORDBMS) with an emphasis on extensibility and on standards-compliance."
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- version: 16
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description: "PostgreSQL is an object-relational database management system (ORDBMS) with an emphasis on extensibility and on standards-compliance."
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- version: 17
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description: "PostgreSQL is an object-relational database management system (ORDBMS) with an emphasis on extensibility and on standards-compliance."
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seaweedfs:
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- version: 3
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description: "SeaweedFS is a fast distributed storage system for blobs, objects, files, and data lake, for billions of files."
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pmm:
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- version: 2.41
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description: "Percona Monitoring and Management: an open source database monitoring, observability and management tool ."
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mongodb:
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mongodb:
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- version: 7.0
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description: "MongoDB is a document database designed for ease of application development and scaling."
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clickhouse:
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clickhouse:
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- version: 24
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description: "ClickHouse is the fastest and most resource efficient open-source database for real-time apps and analytics."
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kvrocks:
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kvrocks:
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- version: 2.8
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description: "Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol."
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- version: "2.10"
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description: "Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol."
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yugabytedb:
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yugabytedb:
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- version: 2024
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description: "YugabyteDB is a high-performance distributed SQL database for powering global, internet-scale applications. "
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nessie:
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nessie:
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- version: "0.103"
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description: "Transactional Catalog for Data Lakes with Git-like semantics . "
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lakefs:
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lakefs:
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- version: "1.52"
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description: "LakeFS provides version control over the data lake, and uses Git-like semantics to create and access those versions. If you know git, you’ll be right at home with lakeFS. "
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victoriametrics:

‎addons/postgresql-cluster/17/chart/postgresql-cluster-17/Chart.yaml‎

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annotations:
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category: Database
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apiVersion: v2
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appVersion: "17"
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dependencies:
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- name: common
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repository: oci://registry.drycc.cc/charts
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version: ~1.1.1
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description: PostgreSQL (Postgres) is an open source object-relational database known for reliability and data integrity. ACID-compliant, it supports foreign keys, joins, views, triggers and stored procedures.
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engine: gotpl
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home: https://github.com/drycc/charts/tree/master/drycc/postgresql
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icon: https://drycc.com/assets/stacks/postgresql/img/postgresql-stack-220x234.png
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keywords:
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- postgresql
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- postgres
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- database
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- sql
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- replication
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- cluster
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- patroni
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maintainers:
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- email: zhang.eamon@hotmail.com
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name: zhangeamon
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name: postgresql
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sources:
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- https://github.com/drycc-addons/
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- https://www.postgresql.org/
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version: "17.6"

‎addons/postgresql-cluster/17/chart/postgresql-cluster-17/README.md‎

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# Postgresql cluster addons
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## Plans
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View and choose the service resource specifications you need.
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```
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# drycc resources:plans postgresql-cluster
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```
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### Resource specification list
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| Resource Specification | Cores | MEMORY | Storage SIZE |
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| :---: | :---: | :---: | :---: |
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| standard-10 | 1C | 2G | 10G |
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| standard-20 | 2C | 4G | 20G |
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| standard-50 | 2C | 8G | 50G |
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| standard-100 | 4C | 16G | 100G |
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| standard-200 | 8C | 32G | 200G |
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| standard-400 | 16C | 64G | 400G |
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| standard-800 | 32C | 128G | 800G |
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In order to obtain a better experience, it is recommended not to exceed 80% usage of resource utilization for a long period of time. If there is a need for larger resource scale, please apply for private customization.
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## Create Postgresql Cluster Service instance
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- Create Postgresql service
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```
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# drycc resources:create postgresql-cluster:standard-10 `my_pg_001`
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```
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- View service status
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```
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# drycc resources:describe `my_pg_001`
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```
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- Bind service
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```
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# drycc resources:bind `my_pg_001`
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```
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- View resource status
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```
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# drycc resources:describe `my_pg_001`
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```
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## Create Service with values file
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`vim values.yaml`
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```
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# create or update pg instance template yaml
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networkPolicy.allowNamespaces:
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- mx-test1
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service.type: ClusterIP
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metrics.enabled: true
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backup:
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# whether BackUP should be enabled
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enabled: true
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# Cron schedule for doing base backups
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scheduleCronJob: "20 0 * * 0"
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Amount of base backups to retain
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retainBackups: 2
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s3:
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awsAccessKeyID: ""
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awsSecretAccessKey: ""
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walGS3Prefix: "s3://xx"
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awsEndpoint: "http://xxxx:9000"
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awsS3ForcePathStyle: "true"
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awsRegion: dx-1
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```
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```
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drycc resources:create postgresql-cluster:standard-10 `my_pg_001` -f ./values.yaml
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```
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## Update Service
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### Create app user and database
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- Login database web with admin user & password
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- Change administrator initial password
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```
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ALTER USER administrator WITH ENCRYPTED PASSWORD 'newpassword';
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```
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- View total connections number in postgresql cluster;
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```
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show max_connections ;
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```
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- CREATE APP USER
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```
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CREATE USER `myuser` WITH CONNECTION LIMIT `conn limit` LOGIN ENCRYPTED PASSWORD 'password';
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GRANT `myuser` to administrator ;
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```
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- CREATE APP DATABASE
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```
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CREATE DATABASE `mydb` OWNER `myuser`;
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```
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- CREATE EXTENSIONS
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```
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CREATE EXTENSION pg_buffercache;
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```
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### Network Access
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Default access allow policy: only namespace scope.
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- allow `mx-test1` namespace access
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`vim values.yaml `
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```
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networkPolicy.allowNamespaces:
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- mx-test1
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```
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```
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drycc resources:update postgresql-cluster:standard-10 `my_pg_001` -f ./values.yaml
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```
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- Assign external network IP address
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`vim values.yaml`
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```
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service.type: LoadBlancer
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```
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```
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drycc resources:update postgresql-cluster:standard-10 `my_pg_001` -f ./values.yaml
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```
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- View resource status
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```
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# drycc resources:describe `my_pg_001`
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```
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### Manger backup your data `Very important`
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`Strongly recommend enabling this feature.`
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`Strongly recommend enabling this feature.`
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`Strongly recommend enabling this feature.`
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PG data backup use S3 as backenp store. Choose an independent storage space `outside of the current environment` as your backup space.
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`vim values.yaml`
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```
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backup:
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# whether BackUP should be enabled
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enabled: true
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# Cron schedule for doing base backups
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scheduleCronJob: "20 0 * * 0"
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Amount of base backups to retain
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retainBackups: 2
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s3:
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awsAccessKeyID: DO9l771LqiwZkhhz
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awsSecretAccessKey: R3Dv0NEmJBo8JFdn1q8jz49ArWwpDjFn
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walGS3Prefix: mx-test
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```
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```
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drycc resources:update postgresql-cluster:standard-10 `my_pg_001` -f ./values.yaml
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```
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You can modify multiple content at once, there is no need to modify part of it each time.
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## Destroy Service
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- Unbind service first
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```
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# drycc resources:unbind `my_pg_001`
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```
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- Destroy service
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```
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# drycc resources:destroy `my_pg_001`
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```
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# 修改pg在容器中分配的动态共享内存不足的问题
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https://www.cnblogs.com/daniel-hutao/p/17903993.html

‎addons/postgresql-cluster/17/chart/postgresql-cluster-17/templates/NOTES.txt‎

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Patroni can be accessed via port 5432 on the following DNS name from within your cluster:
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{{ template "patroni.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local
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To get your password for superuser run:
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# superuser password
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PGPASSWORD_SUPERUSER=$(kubectl get secret --namespace {{ .Release.Namespace }} {{ template "patroni.fullname" . }} -o jsonpath="{.data.password-superuser}" | base64 --decode)
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# admin password
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PGPASSWORD_ADMIN=$(kubectl get secret --namespace {{ .Release.Namespace }} {{ template "patroni.fullname" . }} -o jsonpath="{.data.password-admin}" | base64 --decode)
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To connect to your database:
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1. Run a postgres pod and connect using the psql cli:
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# login as superuser
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kubectl run -i --tty --rm psql --image=postgres \
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--env "PGPASSWORD=$PGPASSWORD_SUPERUSER" \
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--command -- psql -U postgres \
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-h {{ template "patroni.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local postgres
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# login as admin
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kubectl run -i -tty --rm psql --image=postgres \
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--env "PGPASSWORD=$PGPASSWORD_ADMIN" \
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--command -- psql -U admin \
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-h {{ template "patroni.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local postgres

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